Book holder



FIG. 1 is a perspective view of a book holder, showing my new design;

FIG. 2 is a perspective view thereof, without the environmentalstructure of FIG. 1;

FIG. 3 is a top view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a right side view thereof, the left side being a mirror image;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is an enlarged partial cross-section taken along line 8--8 ofFIG. 7.

The broken line showing of the book in FIGS. 1, 4, 5, 6 and 7 is forillustrative purposes only and forms no part of the claimed design.

The ornamental design for a book holder, as shown and described.